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2013 Ford Expedition Limited 5.4L MIL Lamp on
I am confused. Truck came in with P0030, P0135. Both banks tested at 3 ohms cold. spec is 3-30 ohms. With the ECM disconnected, both measured 2.7 ohms and dropping. I swapped the heater ground wires at the ECM, and code P0135 moved with the wire, whil...
FIX posted 3/21/2023
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FMJU2A56D |
| Engine | 5.4 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction |
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2013 Ford Expedition Limited
| VIN | 1FMJU2A56D |
| Engine | 5.4 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction |
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
Video